unable
-
(a) (usually followed by "to") not having the necessary means or skill or know-how
- unable to get to town without a car
- unable to obtain funds
-
(s) (usually followed by "to") lacking necessary physical or mental ability
- dyslexics are unable to learn to read adequately
- the sun was unable to melt enough snow
-
(s) lacking in power or forcefulness
- an ineffectual ruler
- like an unable phoenix in hot ashes